Studi Pemasangan Kapasitor Bank Untuk Memperbaiki Jatuh Tegangan Pada Jaringan Tegangan Menengah Di PT.PLN (Persero) ULP Tanjung Selor
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Farhan, Ahmad
Simamora, Yoakim
Azis, Hastuti
Simamora, Yoakim
Azis, Hastuti
Subject
Teknik Elektro
Datestamp
2022-10-11 07:12:36
Abstract :
In the electricity supply process, the often happens that the voltage value sent is different from the value of the voltage received. This event is called a voltage drop. The voltage drop causes losses for PLN. One way to overcome the voltage drop is by installing a capacitor bank. The installion of banks capacitor at PT.PLN (Persero) Tanjung Selor on the Tanjung Selor 4 Feeder is aim to overcome the voltage drop so that it can improve the voltage profile on the 20 kV distribution system. According to SPLN No.72 of 1987 the allowable of voltage drop on the distribution system was 5% of the working voltage. ETAP software is used in this study to simulate the capacitor bank placement using the OCP feature on ETAP to determine the optimal placement for bank capacitors. In this study, simulations in 2 load conditions, namely LWBP and WBP. After the simulation, there is a voltage drop on 7 buses with peak load conditions that pass the specified standards, some of these buses are bus SBL185 18,951 kV, the SBL 123 18,985 kV bus, the SBL192 bus 18,976 kV, the 169 bus 18,957 kV, the SBL138 18,957 kV, PDL194 18,964 kV and the bus PDAM162 18, 98 kV . Then the OCP simulation is carried out and the installation of a capacitor bank on the bus is required, namely the SBL185 bus with a capacitor bank capacity of 2400 kVar, PDAM 162 with a capacitor bank capacity of 2800 kVar, SBL 123 with a capacitor bank capacity of 1200 kVar, PDL 194 with a capacitor capacity of 2800 kVar and SBL 192 with the capacitor capacity is 3200 kVar. After installing a capacitor bank on a bus that has a voltage drop, the value of the voltage on the bus increases. The voltage on the SBL 185 bus becomes 20.158 kV, SBL 123 becomes 20.143 kV, SBL 192 becomes 20.143 kV, SBL 169 becomes 20.155 kV, SBL 138becomes 20.14 kV, PDL 194 becomes 20.163 kV, and PDAM 162 becomes 20.153 kV.
In the electricity supply process, the often happens that the voltage value sent is different from the value of the voltage received. This event is called a voltage drop. The voltage drop causes losses for PLN. One way to overcome the voltage drop is by installing a capacitor bank. The installion of banks capacitor at PT.PLN (Persero) Tanjung Selor on the Tanjung Selor 4 Feeder is aim to overcome the voltage drop so that it can improve the voltage profile on the 20 kV distribution system. According to SPLN No.72 of 1987 the allowable of voltage drop on the distribution system was 5% of the working voltage. ETAP software is used in this study to simulate the capacitor bank placement using the OCP feature on ETAP to determine the optimal placement for bank capacitors. In this study, simulations in 2 load conditions, namely LWBP and WBP. After the simulation, there is a voltage drop on 7 buses with peak load conditions that pass the specified standards, some of these buses are bus SBL185 18,951 kV, the SBL 123 18,985 kV bus, the SBL192 bus 18,976 kV, the 169 bus 18,957 kV, the SBL138 18,957 kV, PDL194 18,964 kV and the bus PDAM162 18, 98 kV . Then the OCP simulation is carried out and the installation of a capacitor bank on the bus is required, namely the SBL185 bus with a capacitor bank capacity of 2400 kVar, PDAM 162 with a capacitor bank capacity of 2800 kVar, SBL 123 with a capacitor bank capacity of 1200 kVar, PDL 194 with a capacitor capacity of 2800 kVar and SBL 192 with the capacitor capacity is 3200 kVar. After installing a capacitor bank on a bus that has a voltage drop, the value of the voltage on the bus increases. The voltage on the SBL 185 bus becomes 20.158 kV, SBL 123 becomes 20.143 kV, SBL 192 becomes 20.143 kV, SBL 169 becomes 20.155 kV, SBL 138becomes 20.14 kV, PDL 194 becomes 20.163 kV, and PDAM 162 becomes 20.153 kV.
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